"Jim has always been a big social drinker," the first source reveals. "A lot of his job is being social. He's out to lunch or dinner almost every day of the week, schmoozing clients and taking business meetings."

"[The arrest is] just going to make the two of them stop and pause, and think about maybe how much Jim's drinking plays a role in their lives — if it does or not," the source continues.

"No one would be surprised if Jim goes to rehab," adds a third source.